{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "description": "Schema for external-tools.json files",
  "type": "object",
  "properties": {
    "$schema": { "type": "string" },
    "description": { "type": "string" },
    "extends": {
      "oneOf": [
        { "type": "string" },
        { "type": "array", "items": { "type": "string" } }
      ],
      "description": "Path(s) to a base external-tools.json to inherit from. Mirrors ESLint: accepts a single string or an array of strings. Later entries in an array override earlier ones; the current file overrides all."
    },
    "tools": {
      "type": "object",
      "additionalProperties": {
        "type": "object",
        "properties": {
          "description": { "type": "string" },
          "version": { "type": "string" },
          "packageManager": {
            "type": "string",
            "enum": ["npm", "pip", "pnpm"]
          },
          "notes": {
            "oneOf": [
              { "type": "string" },
              { "type": "array", "items": { "type": "string" } }
            ]
          },
          "repository": { "type": "string" },
          "release": { "type": "string", "enum": ["asset", "archive"] },
          "tag": { "type": "string" },
          "checksums": {
            "type": "object",
            "additionalProperties": {
              "oneOf": [
                {
                  "type": "object",
                  "properties": {
                    "asset": { "type": "string" },
                    "sha256": { "type": "string" }
                  },
                  "required": ["asset", "sha256"]
                },
                { "type": "string" }
              ]
            }
          }
        },
        "additionalProperties": true
      }
    }
  },
  "additionalProperties": true
}